Respiratory adaptor



FIG. 1 is a perspective view of a respiratory adaptor, showing my new design;

FIG. 2 is rear view of FIG. 1;

FIG. 3 is a front view of FIG. 1;

FIG. 4 is a first side view of FIG. 1, at a first angular rotation;

FIG. 5 is a second side view of FIG. 1, rotated at 90° clockwise relative to the side view of FIG. 4; and,

FIG. 6 is a third side view of FIG. 1, rotated at 90° counterclockwise relative to FIG. 4.

The broken lines in FIG. 2 depict portions of the respiratory adaptor that form no part of the claimed design. 

CLAIM The ornamental design for a respiratory adaptor, as shown and described. 